> that's why medical professionals wear them

Of course we know it works for them, because in your own words "coming into contact with a SARS-CoV-2 carrier was low, whereas it's high for medical professionals"

> We know with overwhelming evidence that masks work

Yes they do, for medical professionals. I'm referring to non-medical situations, and I guess I didn't make that clear. I'm trying to understand why... well, I explained in my first post. I'm not looking for opinions but for actual solid evidence. Which someone (not you) actually provided.